No and since the government is up and running i am back to military duties away from the classroom and any help. if you can do the following first 20 at least. I really don't get this ...here are the following questions..

Ray Atkinson :

I'll get right to work.

Customer:

Question 1

Given the formula : A=P(1+r/n) ^n(times)t

Using your calculator, find the amount of money accumulated if you invested $65,000 at 7.3% interest for 10 years compounded quarterly.

Answer

$53,083,473.50

$77,885.67

$133,995.47

None of the above

Question 2

Given the formula :A=Pe^r(times)t

Using your calculator, find the money accumulated if I invested $65,000 at 7.3% interest for 10 years compounded continuously.

Answer

None of the above

$96,219,495.29

$69,922.48

$134,880.24

Question 3

Find the inverse of :f(x)=-2x+7

Answer

y=-x-7/2

y=1/-2x+7

y=x+7/-2

y=x-7/-2

Question 4

Determine whether f(x) and g(x) are inverses of each other:

f(x)=2/3x+6

g(x)=3/2x-9

Answer

No, they are not inverses

Yes, they are inverses

Question 5

Determine whether f(x) and g(x) are inverses of each other:

f(x)=3/2x+6

g(x)=2/3x-6

Answer

Yes, they are inverses

No, they are not inverses

Question 6

Using your calculator, evaluate :log12554

Round your answer to the nearest ten-thousandth.

Answer

1.1041

None of the above

2.5422

0.2286

Question 7

Using your calculator, evaluate :log524

Round your answer to the nearest ten-thousandth.

Answer

1.9746

0.9647

3.1781

1.3802

Question 8

Expand the following logarithm as much as possible:logb x^6y/w^2

Answer

6logbx+logby-29times)logbw

logbx^6+logby-logbw^2

6logbx-logby+2(times)logbw

None of the above

Question 9

Expand the following logarithm as much as possible:logb4x^2y

Answer

None of the above

2logb4x+logby

logb4+2logbx+logby

8logbx+logby

Question 10

Express as a single log :5(times)logbx+9(times)logby-3(times)logbz

Answer

logb^5x(times)logb9y/logb3z

logbx^5y^9/logbz^3

None of the above

logb x^5y^9/z^3

Question 11

Express as a single log :logbx-(logby+logbz)

Answer

logb x/yz

logb xy/z

None of the above

logb xz/y

Question 12

Find all solutions for x :log2^x+log2 (x-6)=4

Answer

x = -2

x = 8

x = 2

x = 8 or -2

Question 13

Find all solutions for x :log34-log3x=2

Answer

x = 4/9

x = 1/2

x = 9/4

None of the above

Question 14

Using your calculator, findlog 445.3

Round your answer to the nearest ten-thousandth.

Answer

None of the above

1.6487

6.0987

2.6487

Question 15

Using your calculator, findlog 0.053

Round your answer to the nearest ten-thousandth.

Answer

0.7243

-1.2757

-2.9375

None of the above

Question 16

Using your calculator, findln 138.5

Round your answer to the nearest ten-thousandth.

Answer

2.6283

None of the above

2.1414

4.9309

Question 17

Using your calculator, find:In 4/7

Round your answer to the nearest ten-thousandth.

Answer

-0.2430

None of the above

-0.5596

-5.6137

Question 18

Solve this exponential equation to the nearest hundredth :3^x+2=15

Answer

x = 2.33

x = -0.39

x = 3

x = 0.46

Question 19

Solve this exponential equation to the nearest hundredth :2e^4x=8

Answer

x = 0.35

x = 0.52

x = 0.15

None of the above

Question 20

How long will it take for me to get $100,000, if I invest $5,000 in an account giving me 9.7% interest, compounded continuously?

Round your answer to the nearest tenth.

Answer

206.2 yrs

30.9 yrs

None of the above

13.4 yrs

Question 1

Given the formula :

A=P(1+r/n)^n(times)t

Find the amount of money accumulated if you invested $25,000 at 4.3% interest for 8 years compounded monthly.

Answer

$25,046.18

$35,242.79

$734,122.84

None of the above

Question 2

Given the formula:

A=Pe^r(times)t

Find the amount of money accumulated if you invested $25,000 at 4.3% interest for 8 years compounded continuously.

Answer

$779,673.95

$26,098.45

$35,264.47

None of the above

Question 3

Find the inverse of:

F(x)=3x+6

Answer

y=x-6/3

y=x+6/3

y=x-2

None of the above

Question 4

Given the functions :

F(x)=2/3x-6

g(x)=3/2x+9

Determine if f(x) and g(x) are inverses of each other.

Answer

Yes, they are inverses

No, they are not inverses

Question 5

Given the functions:

F(x)=2x+4

G(x)=1/2x-4

Determine if they are inverses of each other.

Answer

Yes, they are inverses

No, they are not inverses

Question 6

Evaluate :

Log755

(Round to the nearest thousandth.)

Answer

1.740

0.486

2.059

None of the above

Question 7

Evaluate :

log17205

(Round to the nearest thousandth.)

Answer

1.879

0.532

2.312

None of the above

Question 8

Expand the following logarithm as much as possible:

Logbx^2y^3/z^4

Answer

logbx^2+logby^3-logbz^4

2logbx^2+3logby^3-4logbz^4

2logbx+3logby-4logbz

None of the above

Question 9

Expand the following logarithm as much as possible:

log xyz²

Answer

log x + log y + 2log z

(log x)(log y)(2log z)

2(log x + log y + log z)

None of the above

Question 10

Express as a single logarithm:

3logbx+5logby-1/2logbz

Answer

Logbx^3logby^5/logbz1/2

Logbx^3y^5/z1/2

Logbx^3y^5/logbz1/2

None of the above

Question 11

Express as a single logarithm:

(logbx-logby)-logbz

Answer

logb x/yz

Logb xz/y

Logb yz/x

None of the above

Question 12

Solve the equation for x :log75+log7x=1

Answer

x = 35

x = 7/5

x = 5/7

None of the above

Question 13

Find all solutions for x:log10^x+log10(x-3)=1

Answer

x = 5

x = 5 or -2

x = -5

x = 2

Question 14

Using your calculator, find log 45.3

Round to the nearest ten-thousandth.

Answer

1.6532

3.8133

1.6561

None of the above

Question 15

Using your calculator, find

Log 17/3

Round to the nearest ten-thousandth.

Answer

0.7533

1.4560

2.5789

None of the above

Question 16

Using your calculator, find in 38.5

Round to the nearest ten-thousandth.

Answer

1.5855

3.6376

3.6507

None of the above

Question 17

Using your calculator, find: In (square root) 58

Round to the nearest ten-thousandth.

Answer

4.0604

2.0302

.8817

None of the above

Question 18

Solve this exponential equation to the nearest hundredth:

2^x+1=9

Answer

x = 2.17

x = 8.00

x = 1.65

x = 3.17

Question 19

Solve this exponential equation to the nearest hundredth (using a calculator as needed)

3e^x-1=17

Answer

x = 6.00

x = 0.78

x = 1.79

None of the above

Question 20

How long will it take me to get $50,000, if I invested $5000 in an account giving me 8.7% interest, compounded continuously?

Round your answer to the nearest tenth.

Answer

11.5 years

26.5 years

0.3 years

None of the above

Customer:

thank you so much..how long before at least the first 20 questions.

6 and 7 again. Is #6 log7 55, and is #7 log17 205?

Ray Atkinson :

Question 18 does not have an answer.

Ray Atkinson :

x=3 is the answer, but not one of the choices.

Ray Atkinson :

It is a typo?

Ray Atkinson :

I have the other 19 done.

Customer:

6 is log7 55 and 7 was log 17 205

Ray Atkinson :

Good. I got them right

Customer:

18 is

Solve this exponential equation to the nearest hundredth:

2^x+1=9

Answer

x = 2.17

x = 8.00

x = 1.65

x = 3.17

Ray Atkinson :

2^x + 1 = 9 2^x = 8 2^3=8 so x=3

Customer:

thank you so much, i wish i was as smart as you to understand this stuff. i wanted see after your done if Could answer the next questions if I paid more?

1. Here is the formula for compound interest: A=P(1+r/n)^nt Describe what the parameters A, P, r, n and t represent and give an example to show how to calculate compound interest using this formula.

2. The "Present Value" of a compound interest account is the amount of money you need to invest in the account today to accumulate A dollars. You can calculate Present Value by solving for P in the compound interest formula above. Calculate the Present Value (what you would need to invest) if you wanted to accumulate $10,000 by investing in an account for 8 years that pays 6% interest compounded monthly. If you'd like, pose some other Present Value problems for the class to solve.

3. As the number of times you compound the interest per year increases, the interest also increases. However, it will never be greater than the following formula for "continuous" compound interest: A=Pe^rt Use the compound interest formula and the continuous compound interest formula to answer the following question: You just won $150,000 in the lottery and you decide to invest the money for 20 years to save for your retirement. However, you only get to choose one of the 4 options below. Which one would you pick and why?

1. A certificate of deposit paying 5.4% interest compounded annually?

2. A money market certificate paying 5.35% interest compounded semi-annually?

3. A bank account paying 5.3% interest compounded monthly?

4. A bank account paying 5.25% interest compounded continuously?

4. Explain step by step how to determine if two functions are inverses of each other. Provide a detailed example. 5. Give an example from real life where inverse functions are utilized. For ideas, look it up on the internet or find some examples in the textbook. 6. In your own words answer the following question - What is compound interest? What is the difference between compounded monthly and continuously?

Ray Atkinson :

Sure.

Ray Atkinson :

How much more?

Customer:

you tell me

Ray Atkinson :

$6 ?

Ray Atkinson :

I will write it up at the end of the file I have for the other 20 questions.

Customer:

about 15

Customer:

ok thank you

Ray Atkinson :

I'll get done as fast as I can.

Ray Atkinson :

#$5 might take me some time. Creativity is not my strong suit.

Ray Atkinson :

#5 I mean

Customer:

if you can't no worries

Customer:

i was thinking of machines

Customer:

can you send me the other 20 or do you not have them done yet

Ray Atkinson :

I have them. They are in the file I am doing the extra 6

Customer:

got it

Ray Atkinson :

except for that #19 that is wrong.

Customer:

19 is Solve this exponential equation to the nearest hundredth (using a calculator as needed).

3e^x-1=17

Answer

x = 6.00

x = 0.78

x = 1.79

None of the above

Customer:

i thought you said 18 was wrong

Ray Atkinson :

Eep. you're right.

Ray Atkinson :

I'm on #4 of the last 6

Customer:

now 18 is Solve this exponential equation to the nearest hundredth:

2^x+1=9

Answer

x = 2.17

x = 8.00

x = 1.65

x = 3.17

Customer:

wow your good

Ray Atkinson :

Compound interest and annuities are fun equations to run

Customer:

if you say so lol

Ray Atkinson :

try this one on your own sometime. $80 per month at 4.5% for 40 years. 80((1+0.045/12)^(40*12)-1)/(0.045/12)

Customer:

i will do my best

Ray Atkinson :

Just putting $80 in the bank each month for 40 years, you will have $107292.05

Customer:

i miss the class room for sure.

Ray Atkinson :

less than $40000 of that is your deposits. Almost $7000 is interest.

Ray Atkinson :

$70000

Ray Atkinson :

Interest is a beautiful thing....unless you are the one paying it.

Ray Atkinson :

Ok, back to #4

Customer:

i should have started that when I was 10 lol thats a lot of money

Customer:

sorry i will stop

Ray Atkinson :

no need to stop. I like to chat when I am working.

Ray Atkinson :

It sure is a lot of money.

Customer:

yeah but i have to be up for work four hours from now and i have been up for over 19 hours

Ray Atkinson :

Oy. Get some sleep. I will be done soon.

Customer:

i would like to know if i can ask for you again in the future

Ray Atkinson :

You can put "For Ray Atkinson" at the beginning of your question any time.

Ray Atkinson :

no one else will take it. We are a very ethical bunch.

Customer:

oh i can't go to bed until i get this done since i will be away from computer for the most of tomorrow.

Ray Atkinson :

Ok. Quick.

Customer:

thats awesome thank you

Ray Atkinson :

Ok. I am done except for #5. You had an idea about that?

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